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Sex determination


Sex determination | Article about sex determination by The
Sex determination is a process of development by which the sex of an individual is settled. Sex is a method of reproduction which is widespread among living things. It requires two individuals of the same species. Usually, the sexes are separate.
Sex determination - LinkedIn SlideShare
sex determination
Sex determination is the fundamental step that an animal takes to become male or female. Although this decision is common to most species, the mechanism that determines sexual dimorphism is highly diverse. The question of how sex is determined has puzzled scientists and philosophers for centuries.
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sex determination
Sex determination, the establishment of the sex of an organism, usually by the inheritance at the time of fertilization of certain genes commonly localized on a particular chromosome. This pattern affects the development of the organism by controlling cellular metabolism and stimulating the production of hormones that trigger the development of sexual glands or organs.
Sex-determination system - Wikipedia
sex determination
Establishment of male and female individuals or male and female organs of an individual is called sex determination. It is of three types— environmental, genic and chromosomal. A. Environmental or Non-genetic Determination of Sex: 1.
Sex Determination in Humans | Types, Chromosomes, Videos
Sex determination, in biology, is a system which decides the sexual characteristics of an organism or offspring. It helps to determine whether the organism will be male or a female, which are the two most common sexes.
Sex Determination - Amherst College
sex determination
In human beings, sex is determined by genetic inheritance. Genes inherited from the parents determine whether an offspring will be a boy or a girl. Genes for all the characters are linearly arranged on chromosomes. These include the genes for sexual characters.
Sex-determination system - Wikipedia
Sex Determination A humans’ sex is predetermined in the sperm gamete. In mammals, females are said to be homogameticbecause all their gametes contain an X chromosome. Males are called heterogametic because they produce both X bearing gametes and Y-bearing gametes.
The Y chromosome: beyond gender determination
sex determination the process by which the sex of an organism is fixed; associated, in man, with the presence or absence of the Y chromosome. sex de·ter·mi·na·tion determination of the sex of a fetus in utero by identification of fetal chromosomes.
Sex Determination - an overview | ScienceDirect Topics
Mechanisms of sex determination Chromosomal sex determination: In flies and mammals females are the homogametic sex (XX) and males the heterogametic sex (XY). In butterflies and birds males are the homogametic sex (ZZ) and females the heterogametic sex (ZW). Drosophila melanogaster (fruit fly) XX females; XY males X:autosome ratio determines sex
Sex Determination: 3 Basic Types of Sex Determination
Sex determination The genetic mechanisms by which sex is determined in all living organisms. The nature of the genetic basis of sex determination varies a great deal among the various forms of life. There are two aspects of sexuality: the primary form involves the gametes, and the secondary aspect is gender.


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